, by the obama administration, now what it says the memo justifies the targeted killing of an american who is considered a senior operational leader of al qaeda or an associated group, and who poses an imminent threat of violent attack against the united states. want to bring in halle goran any. a controversial issue, under president bush, now president obama. the fact that the government does have the power, and the authority, to kill an american overseas that's considered a threat. and how do they define that? >> that's the question because when you say imminent, it could be imminent in a few hours, in a few weeks, saying you can target a member of al qaeda, senior operational al qaeda leader, or associated forces. how are you defining associated forces? how are you defining the word imminent? how are you defining the word threat? all of these things are things that are open to interpretation and has civil liberties groups, as well, worried about what this means as far as the u.s., executive powers authority to decide, based on kind of unclear, sometimes, terms in terms how they're defin
